some fix

src/vm.cpp

@@ -1132,7 +1132,7 @@ PyVar VM::vectorcall(int ARGC, int KWARGC, bool op_call){
         p1[-(ARGC + 2)] = call_f;
         p1[-(ARGC + 1)] = self;
         // [call_f, self, args..., kwargs...]
-        return vectorcall(ARGC, KWARGC, false);
+        return vectorcall(ARGC, KWARGC, op_call);
     }
     TypeError(_type_name(vm, callable_t).escape() + " object is not callable");
     PK_UNREACHABLE()

tests/44_decorator.py

@@ -1,15 +1,5 @@
 from functools import cache
 
-@cache
-@cache
-@cache
-def fib(n):
-    if n < 2:
-        return n
-    return fib(n-1) + fib(n-2)
-
-assert fib(32) == 2178309
-
 class A:
     def __init__(self, x):
         self._x = x
@@ -36,4 +26,16 @@ B.x = property(
 b = B()
 assert b.x == 1
 b.x = 2
-assert b.x == 2
+assert b.x == 2
+
+
+@cache
+@cache
+@cache
+def fib(n):
+    # print(f'fib({n})')
+    if n < 2:
+        return n
+    return fib(n-1) + fib(n-2)
+
+assert fib(32) == 2178309